Nikita Kornilov
Yerevan, Armenia
Summary
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SeniorNikita Kornilov is a Senior Java Software Engineer with nine years of experience focused on backend, distributed systems, and event-driven architectures, currently driving production services at Tinkoff from Yerevan. He has a strong track record building high-throughput systems—sharding PostgreSQL to sustain 10k RPS, doubling throughput of a core service to 20k RPS, and leading large-scale data migrations that reduced SMS delivery costs. Nikita improves reliability and efficiency through targeted optimizations such as caching to prevent MongoDB failures, Kafka-based orchestration, and CI/CD modernization that cut CI times and stabilised deployments. He pairs hands-on coding with mentorship, having guided 10+ Java trainees and authored platform-wide validation RFCs. Despite a compact public GitHub presence, his production impact at a major fintech shows depth in performance tuning, observability, and operational resilience.
9 years of coding experience
Github Skills (32)
kotlin10
java9
groovy9
serverless9
microservices9
micronaut8
validation-framework8
application-framework8
validation6
modeling5
physics5
mechanics5
quantum-algorithms4
lambda4
math4
Programming languages (4)
Github contributions (5)
engarik/m3202y24
Sep 2020 - Oct 2021
Contributions:41 commits, 26 pushes, 3 branches in 1 year 1 month
prismgentem/fin-tech-2024
Aug 2024 - Dec 2024
Contributions:15 reviews, 30 comments in 3 months
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